<template>
  <div class="app-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-button v-permission="['POST /admin/category/create']" class="filter-item" type="primary" icon="el-icon-edit" @click="handleCreate">添加</el-button>
    </div>

    <!-- 查询结果 -->
    <el-table v-loading="listLoading" :data="list" element-loading-text="正在查询中。。。" border fit highlight-current-row row-key="id">

      <el-table-column align="center" label="类目ID" prop="id"/>

      <el-table-column align="center" label="类目名" prop="name"/>

      <el-table-column align="center" label="跳转链接" prop="link"/>

      <el-table-column align="center" property="icon" label="类目图标" />

      <el-table-column align="center" property="color" label="类目颜色" />

      <el-table-column align="center" label="排序" prop="sortOrder"/>

      <el-table-column align="center" label="级别" prop="level">
        <template slot-scope="scope">
          <el-tag :type="scope.row.level === 0 ? 'primary' : 'info' ">{{ scope.row.level === 0 ? '九宫格' : '商家分类' }}</el-tag>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="300" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button v-permission="['POST /admin/shop/delete']" type="success" plain size="mini" @click="handlesetting(scope.row)">设置</el-button>
          <el-button v-permission="['POST /admin/category/update']" type="primary" size="mini" @click="handleUpdate(scope.row)">编辑</el-button>
          <el-button v-permission="['POST /admin/category/delete']" type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="dataForm" status-icon label-position="left" label-width="100px" style="width: 400px; margin-left:50px;">
        <el-form-item label="类目名称" prop="name">
          <el-input v-model="dataForm.name"/>
        </el-form-item>
        <el-form-item label="图标" prop="icon">
          <el-input v-model="dataForm.icon"/>
        </el-form-item>
        <el-form-item label="颜色" prop="color">
          <el-input v-model="dataForm.color"/>
        </el-form-item>
        <el-form-item label="级别" prop="level">
          <el-select v-model="dataForm.level" @change="onLevelChange">
            <!--
            <el-option label="九宫图" value="0"/>-->
            <el-option label="商家分类" value="1"/>
          </el-select>
        </el-form-item>
        <el-form-item label="跳转链接" prop="link">
          <el-input v-model="dataForm.link"/>
        </el-form-item>
        <el-form-item label="排序" prop="sortOrder">
          <el-input v-model="dataForm.sortOrder"/>
        </el-form-item>
      </el-form>
       <span>后期引入阿里矢量图库，图标、颜色改为可选（暂定。。。2021-5-29）</span>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>

    <!-- 设置-->
    <el-dialog :visible.sync="setting" title="设置">
        <el-transfer
              @change="handleChange"
              filterable
              filter-placeholder="搜索商家"
              :titles="['待选商家', '已选商家']"
              :button-texts="['移除', '添加']"
              :left-default-checked="[1,2]"
              :right-default-checked="checkedIds"
              v-model="dataForm.shopIds" :data="listShop"></el-transfer>
      <div slot="footer" class="dialog-footer">
        <el-button @click="setting = false">取消</el-button>
        <el-button type="primary" @click="handleSubmit">确定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { listCategorySupport2, listCatL1, createCategorySupport, updateCategorySupport, deleteCategorySupport, listShopIds, listShop } from '@/api/category'
import { uploadPath } from '@/api/storage'
import { getToken } from '@/utils/auth'

export default {
  name: 'Category',
  data() {
    return {
      uploadPath,
      list: [],
      listLoading: true,
      catL1: {},
      dataForm: {
        id: undefined,
        name: '',
        shopIds: [],
        icon: '',
        level: '1',
        color: '',
        link: '',
        sortOrder: '0'
      },
      listShop: [],
      checkedIds: [],
      setting: false,
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: '编辑',
        create: '创建'
      },
      rules: {
        name: [{ required: true, message: '类目名不能为空', trigger: 'blur' }],
        icon: [{ required: true, message: '图标不能为空', trigger: 'blur' }],
        color: [{ required: true, message: '颜色不能为空', trigger: 'blur' }]
      }
    }
  },
  computed: {
    headers() {
      return {
        'X-Litemall-Admin-Token': getToken()
      }
    }
  },
  created() {
    this.getList()
    this.getCatL1()
  },
  methods: {
    getList() {
      this.listLoading = true
      listCategorySupport2()
        .then(response => {
          this.list = response.data.data.list
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.listLoading = false
        })
    },
    getCatL1() {
      listCatL1().then(response => {
        this.catL1 = response.data.data.list
      })
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: '',
        shopIds: [],
        icon: '',
        level: '1',
        pid: 0,
        color: '',
        link: '',
        sortOrder: '0'
      }
    },
    onLevelChange: function(value) {
      if (value === 'L1') {
        this.dataForm.pid = 0
      }
    },
    handlesetting(row){
      this.dataForm.id = row.id
      this.dataForm.shopIds = []
      this.listShop = []
      //this.checkedCities = []
      this.setting = true
      this.dataForm = Object.assign({}, row)
      this.getShopIds()
      this.getShop()
    },
    getShopIds(){
      listShopIds(this.dataForm)
        .then(response => {
          this.dataForm.shopIds = response.data.data
        })
    },
    getShop(){
      listShop()
        .then(response => {
          this.listShop = response.data.data.list
        })
    },
    //添加商户
    handleChange(value, direction, movedKeys) {
        //console.log(value, direction, movedKeys);
        //console.log(this.shopIdss);
        this.checkedIds.push(value.length)
        //console.log(this.checkedIds);
    },
    handleSubmit(){
      //this.dataForm.shopIds = this.checkedCities
      updateCategorySupport(this.dataForm)
        .then(response => {
          this.$notify.success({
            title: '成功',
            message: '设置成功'
          })
          this.getList()
          this.setting = false
        })
        .catch(response => {
          this.$notify.error({
            title: '失败',
            message: response.data.errmsg
          })
        })
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    uploadIconUrl: function(response) {
      this.dataForm.iconUrl = response.data.url
    },
    uploadPicUrl: function(response) {
      this.dataForm.picUrl = response.data.url
    },
    createData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          createCategorySupport(this.dataForm)
            .then(response => {
              this.getList()
              // 更新L1目录
              //this.getCatL1()
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '创建成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          updateCategorySupport(this.dataForm)
            .then(() => {
              this.getList()
              // 更新L1目录
              //this.getCatL1()
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '更新成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleDelete(row) {
      deleteCategorySupport(row)
        .then(response => {
          this.getList()
          // 更新L1目录
          //this.getCatL1()
          this.$notify.success({
            title: '成功',
            message: '删除成功'
          })
        })
        .catch(response => {
          this.$notify.error({
            title: '失败',
            message: response.data.errmsg
          })
        })
    }
  }
}
</script>

<style scoped>
.filter-item{
  margin-left: 100px;
}
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}
.avatar {
  width: 145px;
  height: 145px;
  display: block;
}
</style>
